"I would love to have John Hurt, and there's an actress that I have in mind that is not well-known but I've seen her in a short film. That's all she's really done, one feature and one short, but she has an incredibly interesting taste and I'm gonna try her out for the main role."

He did not reveal any details of the plot other than to say that there is "one great creature in it".

Whedon followed The Avengers with the Shakespeare adaptation filmed in secret at his home.

Del Toro is currently finishing post production on Crimson Peak. He also recently said that he is still planning an adaptation of HP Lovecraft's At the Mountains of Madness.